blank input fields when submitted?

Hello – why do i keep getting a submitted email, but the content isnt provided? heres an example of what i get in my email once someone submits our form:

From: [your-name] <[your-email]>
Subject: [your-subject]

Message Body:
First & Last Name : [your-name]
Company : [text-130]
Street : [text-631]
City : [text-524]
State : [text-147]
Zipcode : [text-227]
Phone : [text-898]
Email : [your-email]
Comments : [your-message]
[checkbox-592]
[checkbox-718]

[file-803]